Friction draft-rigging for railway-cars.



A PATENTBD PEB. 14, 1905. W. H. MINBR. A, PRIGTION DRAFT RIGGING PoR RAILWAY GARS.

APPLICATION FILED SEPT. 2B. 1904.

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' WIM/55555: a? WA 10.782,408. PATENTED PEB.'14, 1905.

A w. H. MINBR. y PRIGTION DRAFT RIGGING POR RAILWAY GARS.

APPLIOATION FILED SEPT. 2B. 1904.

2 SHEETS-SHEET 2.

UNITED STATES Patented February i4, 1905.

PATENT OFFICE.

WILLIAM H. MINER, OF CHICAGO, ILLINOIS, ASSIGNOR TO W. H. vMINER COMPANY, OF CHICAGO, ILLINOIS, A `CORPORATION OF ILLINOIS.

Fnlo'TloN DRAFT-HIGGINS. FQR RAlLWAY-CARS.

SPECIFICATION forming part of Letters Patent No.` I782,408, dated February 14, 1905.Y Application filed September 28, 1904. Serial No. 226,268.

To all whom 7115 may concern:

Be it known that I, WILLIAM H.l MINER, a' citizen of the United (States, residing in Chicago, in the county of Cook and State of Illinois, have invented anew and useful Improvement in Friction Draft-Rigging for Railway- Cars, of which the following is a specification.

M y invention relates to improvements in friction draft-rigging for railway-cars.

My invention consists in the novel construction of parts and devices and in the novel combinations of partsk and devices herein shown or described.l

In the accompanying drawings, forming a part of this specification, Figure lis a central vertical longitudinal section of a friction draft-rigging embodying my invention. Fig. 2 is a plan view, partly in horizontal section. Fig. 3 is a vertical cross-section on line 3 3 of- Fig. 1. Fig. 4 is adetail perspective view of the transversely or vertically movable .friction-block, and Fig. 5 is a detail perspective view of the removable combined spring-support and-tie-bar.

In the drawings, A A represent the center sills, and A the cross-sill, of a car-frame. B is the coupler, B" the draw-bar, and. B2 the draw-bar extension or draft-iron, secured to the draw-bar by a short strap or yoke B3, whichextends through a socket b* in the front end of the draft-iron B2. The draft-iron B2 has a straight friction-face b on one side, preferably its upper side, and double-incline op-V positely-disposed friction -faces b' on its under or lower side. The straight frictionface is in sliding frictional engagement with the' stationary iat friction-plate C, and the double-incline friction-faces b of the draftiron are in sliding frictional engagement with the corresponding double -.incline frictionfaces d d of the transversely or vertically movable friction-block D.

F F are the side plates or guide-castings secured to the longitudinal or draft sills A A of the car-frame by rivets f. Each of these side plates or guide-castings F is furnished with an integral inwardly-projecting horizontal iiangef, furnished with front and rear Shoulders f2 f2 to engage the friction-plate C and hold it rigidly and firmlyv in position.

The side plates or guide-castings vF are also each furnished with three upright integral guides f3 fif, each having uprightfacesf,

which engage the corresponding upright faces or shoulders d of the transversely or vertically movable friction-block D. The friction-block D is provided with upright slots or grooves Z2 to receive the middle upright guides f4 on the side plates or guide-castings F. The vertically `or4 transversely movable friction-block D is provided with an integral central spring-bearing rib d3 to bear against a series of flat steel springs G, which rest at their ends upon the spring-bearing ledges /b of the combined spring-support and tie-bar H, which is secured at its opposite ends to the side plates or guide-castings Fby the re-` movable bolts L. The spring-support andv tie-bar H is also provided with horizontal faces h2, which iit against the lower face Z1* of the draft-iron B2.

Byk combining with the stationary straight friction-plate Cthe longitudinally-movable draft-iron B2, having double-incline. frictionfaces, and the transversely or vertically movable friction-block D a set of fiat steel springs G, acting'against the friction-block to resist its transverse or vertical movement, I am enabled to construct a friction draft-rigging of this type in a very strong and compact form and very materially reduce the vertical dimension ofthe draft-rigging as a whole and the space vertically necessary to accommodate it on the car, thus materially increasingV its strength and eiiciency, as well as materially diminishing its cost of manufacture.

I claim- 1. In a friction draft-rigging, the combina tion with the draw-bar, of a friction draftiron having a straight friction-face on one side, and oppositely-directed double-incline; friction-faces on its opposite side, a frictionplate having a straight friction-face in sliding frictional engagement with the straight friction-face of the draft-iroma transversely or vertically movable friction-block having oppositely -directed double-incline frictionfaces in sliding frictional engagement with the corresponding inclined friction-faces of the draft-iron, and provided with a central rib or bearing for the spring` a pair of side plates or guide-castings furnished with upright guides for said vertically-movable friction-block, a combined spring-support and tie-bar secured to and connecting the side plates or guide-castings, and a series of fiat steel springs interposed between said vertically-movable friction-block and said springsupport, substantially as specified.

2. In a friction draft-rigging, the combination with a .draw-bar and draft-iron having a straight friction-face and oppositely-disposed double-incline friction-faces,of a transverselymovable friction block having double inclines engaging said double inclines on the draft-iron, side plates or guide-castings furnished with guides for said friction-block, a spring-support and a set of fiat, steel springs interposed between said spring-support and said friction-block, substantially as specified.

3. In a friction draft-rigging, the combination with a draw-bar and draft-iron having a straight friction-face and oppositely-disposed double-incline friction-faces, of a transverselyvmovable friction block having double inclines engaging said double inclines on the draft-iron, side plates or guide-castingsfurnished with guides for said friction-block, a spring-support and a set of flat steel springs interposed between said spring-support and said friction-block, said friction-block and said support having coacting bearings engaging said springs, substantially as specified.

4f. In a friction draft-rigging, the combination with a draw-bar and draft-iron having` a straight friction-face and oppositely-disposed double-inclinefriction-faces,ofatransverselyrnovable friction-block having double inclines engaging'lsaid double inclines on the draftiron, side plates or guide-castings furnished with guides for said friction-block, a spring'- support and a set of flat steel springs interposed between said spring-support and said friction-block, said friction-block and said support having coacting bearings engaging said springs,said spring-support being removably secured to and connecting said side plates or guide-castings, substantially as specified.

5. In a friction draft-rigging, the combination with a draw-bar and draft-iron having a straight friction-face on its upper side, of a stationary friction-plate having a straight friction-face engaging the straight friction-face on the upper side of said draft-iron, said draftstraight friction-face on its upper side, of a stationary friction-plate having a straight friction-face engaging the straight friction-face on the Lipper side of said draft-iron, said draftiron being provided with double-incline friction-faces on its under side, a transverselymovable friction-block, side plates or guidecastings having upright guides engaging said vertically-movable friction-block, a springsupport and a set of flat springs interposed between the spring-support and said frictionblock, said spring-support and friction-block having coacting' bearings engaging said springs, substantially as specified.

7. In a friction draft-rigging, the combination With a draw-bar and draft-iron having a straight friction-face on its upper side, of a stationary friction-plate having a straight friction-face engaging the straight friction-face on the upper side of said draft-iron, said draftiron being provided with double-incline friction-faces on its under side, a transverselymovable friction-block, side plates or guidecastings having' upright guides engaging' said vertically-movable friction-block, a springsupport and a set of flat springs interposed between the spring-support and said frictionblock, said spring-supportbeing removably secured to and connecting said side plates or guide-castings, substantially as specified.

WILLIAM H. MINER.

IVitnesses:

H. M. MUNDAY, PEARL ABRAMS. 

